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2021•Unpublished venueRequires access

Simulation study of D-band extended interaction klystron amplifier

Dongrui Chen, Xiaotao Xu, Xuesong Yuan, Bin Wang, Hailong Li, Yong Yin, Yan Yang

Open publisher page 1 citations

Abstract

A D-band extended interaction klystron amplifier is investigated. A traveling wave structure is adopted as the input and output structure to improve the bandwidth. When the operating voltage is 22 kV, and current is 0.3 A. The simulation results show that a maximum output power of 450 W is obtained with the input power of 31.25 mW, the corresponding gain is 41.5 dB, efficiency is 6.8%, and a 3-dB bandwidth of about 600 MHz can be achieved. Our work provides a feasible method to the improvement of bandwidth for the extended interaction klystron amplifier.

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What this paper is about

A D-band extended interaction klystron amplifier is investigated. A traveling wave structure is adopted as the input and output structure to improve the bandwidth. When the operating voltage is 22 kV, and current is 0.3 A. The simulation results show that a maximum output power of 450 W is obtained with the input power of 31.25 mW, the corresponding gain is 41.5 dB, efficiency is 6.8%, and a 3-dB bandwidth of about 600 MHz can be achieved. Our work provides a feasible method to the improvement of bandwidth for the extended interaction klystron amplifier.

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Available abstract

A D-band extended interaction klystron amplifier is investigated. A traveling wave structure is adopted as the input and output structure to improve the bandwidth. When the operating voltage is 22 kV, and current is 0.3 A. The simulation results show that a maximum output power of 450 W is obtained with the input power of 31.25 mW, the corresponding gain is 41.5 dB, efficiency is 6.8%, and a 3-dB bandwidth of about 600 MHz can be achieved. Our work provides a feasible method to the improvement of bandwidth for the extended interaction klystron amplifier.

Key concepts: Klystron, Amplifier, Bandwidth (computing), Power bandwidth, Voltage, Electrical engineering, Physics, Power (physics)

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